Production/Site Reliability Engineering Division – London / Amsterdam

Oxford Knight; London; On-site; GBP 90,000 - 150,000; Full time

Job summary

Oxford Knight in London is seeking a Trading Operations Production Support Engineer to maintain and scale low-latency trading systems across global venues, collaborating with traders and development teams to deploy, monitor, and optimize infrastructure.

You will troubleshoot incidents on high-frequency environments, automate management tasks with Python and CI/CD pipelines, and drive reliability improvements while ensuring readiness for major events.

Qualifications

• Experience managing complex distributed Linux systems.
• Proficiency with CI/CD tooling and Python scripting.
• Experience with relational databases (e.g. PostgreSQL).
• Ability to drive system improvements across global teams.

Responsibilities

• Provide technical expertise and support to high-frequency trading floors, troubleshooting incidents in a fast-paced environment.
• Deploy, maintain, and monitor trading applications for stability and performance.
• Review incidents to identify recurring themes and drive automation improvements.
• Coordinate deployments of new trading products and systems for events and actions.
• Architect and maintain services to maximize reliability within performance thresholds.
• Collaborate with developers to establish best practices for production stability.
• Set standards for configuration and deployment to minimize risks.
• Manage colocation to ensure redundancy and capacity for growth.
• Automate system management while controlling critical operations.

Skills

Linux

Networking

CI/CD tooling

Python scripting

PostgreSQL

Tools

CI/CD tooling

Job description

My client is a tier-1 prop trader/market maker, providing liquidity and accurate pricing in various financial instruments to multiple exchanges across the world.

The Trading Operations Production Support Engineering team is responsible for maintaining and scaling the low-latency trading systems. The team ensures a safe, stable, and efficient production environment while supporting profitability and sustainable growth across various regions. Collaborating closely with traders, development, and operational teams, you will deploy, monitor, troubleshoot, and optimize trading infrastructure to enhance reliability, performance, and automation.

Responsibilities

• Provide technical expertise and support to high-frequency trading floors, troubleshooting complex issues and resolving incidents in a fast-paced, dynamic setting.
• Deploy, maintain, and monitor proprietary trading applications, ensuring stability and performance in the trading environment.
• Review and analyze incidents to identify recurring themes, driving improvements to enhance automation and operational efficiency.
• Coordinate deployments of new trading products, systems, and exchanges, ensuring readiness for events such as corporate actions or special announcements.
• Architect and maintain services to maximize reliability, ensuring the trading systems operate within performance thresholds.
• Collaborate with development teams to establish best practices and ensure the long-term stability of production systems, even under extreme conditions.
• Set standards for system configuration and deployment to minimize risks and support smooth scaling.
• Manage the colocation to ensure the right level of redundancy and capacity for growth is available.
• Automate system management processes, while maintaining control over critical operations.

Requirements

Technical Skills:

• Solid experience managing complex distributed systems in Linux environments (L2/L3 support), with a strong understanding of networking fundamentals, build, deployment, and version control systems.
• Proficiency with CI/CD tooling and scripting in Python or similar languages to automate tasks.
• Experience with relational databases (e.g. PostgreSQL) or other database systems.
• Demonstrated ability to drive system improvements and work across global teams to deliver changes.

Non-Technical Skills:

• A collaborative team player with a positive attitude, capable of coordinating effectively across departments.
• A pragmatic and logical thinker who thrives in fast-paced environments, with strong troubleshooting skills and the ability to resolve incidents efficiently.
• Effective communicator, able to clearly explain technical concepts and ask insightful questions.
• Highly organized, able to manage multiple responsibilities while keeping stakeholders informed.
• Passionate about technology, curious about the interaction between hardware and software, and driven to learn and grow by embracing frequent change.
• Prior experience in high-frequency trading environments is a plus, but not required.
• Prior trading or financial experience is not needed - the onboarding program will support you in gaining all the relevant knowledge.

NB: Applications only accepted from those located in the US or Europe

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Production/Site Reliability Engineering Division - London / Amsterdam - London